1KIL

Three-dimensional structure of the complexin/SNARE complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Synaptobrevin SNARE motif	polymer	66	7660.6	1	UniProt (P63045) Pfam (PF00957) In PDB	Rattus norvegicus (Norway rat)	vesicle associated membrane protein 2B
2	B	Syntaxin SNARE motif short	polymer	62	7192.0	1	UniProt (P32851) Pfam (PF05739) In PDB	Rattus norvegicus (Norway rat)	synaptotagmin associated associated 35 kDA protein
3	C	SNAP-25 N-terminal SNARE motif	polymer	74	8642.6	1	UniProt (P60880) In PDB	Homo sapiens (human)	synaptosomal-associated protein 25kD
4	D	SNAP-25 C-terminal SNARE motif	polymer	66	7613.5	1	UniProt (P60880) In PDB	Homo sapiens (human)	synaptosomal-associated protein 25kD
5	E	Complexin I SNARE-complex binding region	polymer	49	5766.5	1	UniProt (P63041) Pfam (PF05835) In PDB	Rattus norvegicus (Norway rat)
6	A, C	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
7		water	water		18.0	113	Chemie (HOH)

Sequence modifications

C: 10 - 81 (UniProt: P60880)

PDB	External Database	Details
Ser 10	Glu 10	SEE REMARK 999

D: 139 - 204 (UniProt: P60880)

PDB	External Database	Details
Gly 139	Asn 139	SEE REMARK 999
Ser 140	Asp 140	SEE REMARK 999
Trp 204	Gly 204	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	36875.1
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	36923.7

*Water molecules are not included.